Window curtain



FIG. 1 is a front view in elevation of the window curtain of the present invention;

FIG. 2 is a top plan view of the window curtain of FIG. 1;

FIG. 3 is a bottom view of the window curtain of FIG. 1 as seen from the bottom of FIG. 1;

FIG. 4 is a side view in elevation of the window curtain of FIG. 1 as seen from the left-side of FIG. 1;

FIG. 5 is a side view in elevation of the window curtain of FIG. 1 as seen from the right-side of FIG. 1; and,

FIG. 6 is a back view in elevation of the window curtain of FIG. 1 as seen from the back. 

The ornamental design for a window curtain, as shown. 